#ifndef _FS_HH_
#define _FS_HH_


//fs.c  

 int file_open(const char *filename, int flags);
  
 int file_read(int fd, unsigned char *buf, int size);
  
 int file_write(int fd, const unsigned char *buf, int size, int force);
  
 int64_t file_seek(int fd, int64_t pos, int whence);
  
 int file_close(int fd);

#endif
